Publication Details

Mu Y, Seberry J and Zheng Y, Shared cryptographic bits via quantized quandrature phase amplitudes of light, Optics Communications, 123, (1996) 344-352.


We propose a novel quantum cryptographic protocol without using polarized photons. The protocol consists of an optical coupler and four nonorthogonal coherent states which are analyzed by means of quadrature phase amplitudes of quantized light field.



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